campanula
Height: 10 cm Perennial Rockery
Dwarf trailer, star shaped flowers
Colours: Violet Blue
Pusilla
Height: 10 cm Perennial Fastrax (or 1st year flowering perennial)
Small bell shaped flowers of lavender blue.
Colours: Blue
Height: 20 cm Perennial Fastrax (or 1st year flowering perennial)
Bell shaped flowers on compact bushy plants.
Colours: Blue, Deep Blue, White